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The first ever Stereo was called a phonograph...
It's a device utilizing a vibrating pen to graphically represent sound on discs of paper, without the idea of playing it back in any manner,The phonograph was built by Edouard-Leon Scott of France in 185. -
Hi-Fi..
The stereophonic hi-fi or some might just call it a very old record player it was made in -
The Komet....
The komet was made by http://weburbanist.com/2009/02/05/stereos-speakers-and-home-audio/
